IOTA/IOTA-ES occultation update for (859) Bouzareah / TYC 7375-00572-1 event on 2024 Mar 26, 04:06 UT Visible from Summary ------- On 2024 Mar 26 UT, the 71.239 km diameter asteroid (859) Bouzareah will occult a 11.9 mag star in the constellation Scorpius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.06 mag to 15.92 mag (the magnitude of the asteroid) for at most 6.750 seconds. This update is based on, astrometry for the asteroid kindly provided by the IAU Minor Planet Center. This work has made use of data from the European Space Agency (ESA) mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The event at a glimpse ---------------------- * Rank: 99 * date and approx. time of event: 2024 Mar 26, 03:56 - 2024 Mar 26, 04:16 * geocentric midpoint of event [JD]: 2460395.67096380 * magnitude of target star: 11.89 * magnitude drop [mag]: 4.06 * estimated maximum duration [s]: 6.750 * Moon: 99 % sunlit, 69° distance * Sun: 102° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 73 * 1 sigma uncertainty interval [path widths]: +/- 0.32 * 1 sigma uncertainty interval [seconds]: +/- 3.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.020, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.020", 0.003", 103°) * approx speed of asteroid's shadow [km/s]: 10.5520 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 7375-00572-1 by 859 Bouzareah on 2024 Mar 26 Centre Star Star Sun Path Limits Error Limits Alt E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 Crn o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude - 54 0 0 24 58 29 3 56 18.8 0 125 -62 24 34 21 .. .. .. 24 18 53 .. .. .. .... - 53 0 0 24 19 41 3 56 18.9 1 125 -63 23 55 22 24 43 57 23 39 45 24 59 29 0.24 - 52 0 0 23 39 44 3 56 19.2 2 126 -63 23 15 12 24 4 12 22 59 27 24 19 52 0.23 - 51 0 0 22 58 35 3 56 19.9 4 126 -64 22 33 51 23 23 17 22 17 58 23 39 4 0.23 - 50 0 0 22 16 15 3 56 20.7 5 127 -64 21 51 17 22 41 10 21 35 16 22 57 5 0.23 - 49 0 0 21 32 42 3 56 21.9 6 127 -65 21 7 31 21 57 49 20 51 21 22 13 54 0.23 - 48 0 0 20 47 54 3 56 23.3 7 127 -65 20 22 30 21 13 16 20 6 11 21 29 28 0.23 - 47 0 0 20 1 52 3 56 25.0 8 128 -65 19 36 13 20 27 27 19 19 46 20 43 49 0.23 - 46 0 0 19 14 33 3 56 27.0 9 128 -66 18 48 41 19 40 23 18 32 4 19 56 53 0.23 - 45 0 0 18 25 58 3 56 29.4 11 128 -66 17 59 51 18 52 2 17 43 5 19 8 42 0.23 - 44 0 0 17 36 5 3 56 32.1 12 129 -66 17 9 44 18 2 24 16 52 48 18 19 13 0.23 - 43 0 0 16 44 55 3 56 35.1 13 129 -66 16 18 18 17 11 28 16 1 13 17 28 26 0.23 - 42 0 0 15 52 25 3 56 38.4 15 129 -66 15 25 33 16 19 13 15 8 19 16 36 21 0.23 - 41 0 0 14 58 37 3 56 42.2 16 129 -66 14 31 30 15 25 40 14 14 5 15 42 58 0.23 - 40 0 0 14 3 29 3 56 46.3 17 130 -66 13 36 7 14 30 48 13 18 32 14 48 15 0.23 - 39 0 0 13 7 3 3 56 50.8 19 130 -66 12 39 24 13 34 37 12 21 40 13 52 14 0.23 - 38 0 0 12 9 17 3 56 55.7 20 130 -66 11 41 23 12 37 6 11 23 28 12 54 54 0.23 - 37 0 0 11 10 12 3 57 1.0 21 130 -65 10 42 3 11 38 18 10 23 58 11 56 15 0.23 - 36 0 0 10 9 50 3 57 6.7 23 130 -65 9 41 24 10 38 11 9 23 9 10 56 18 0.23 - 35 0 0 9 8 10 3 57 12.9 24 130 -64 8 39 28 9 36 46 8 21 3 9 55 4 0.23 - 34 0 0 8 5 13 3 57 19.5 26 131 -64 7 36 16 8 34 6 7 17 40 8 52 33 0.23 - 33 0 0 7 1 2 3 57 26.5 27 131 -63 6 31 49 7 30 10 6 13 3 7 48 47 0.23 - 32 0 0 5 55 38 3 57 34.0 29 131 -63 5 26 9 6 25 1 5 7 14 6 43 49 0.23 - 31 0 0 4 49 3 3 57 41.9 30 131 -62 4 19 19 5 18 41 4 0 13 5 37 38 0.23 - 30 0 0 3 41 18 3 57 50.3 32 131 -61 3 11 19 4 11 12 2 52 4 4 30 19 0.23 - 29 0 0 2 32 28 3 57 59.2 33 131 -61 2 2 14 3 2 37 1 42 49 3 21 53 0.23 - 28 0 0 1 22 35 3 58 8.5 35 130 -60 0 52 7 1 52 58 0 32 32 2 12 23 0.23 - 27 0 0 0 11 42 3 58 18.3 36 130 -59 - 0 19 0 0 42 19 - 0 38 44 1 1 53 0.23 - 26 0 0 - 1 0 6 3 58 28.6 38 130 -58 - 1 31 2 - 0 29 16 - 1 50 54 - 0 9 33 0.22 - 25 0 0 - 2 12 46 3 58 39.3 39 130 -57 - 2 43 55 - 1 41 43 - 3 3 55 - 1 21 52 0.22 - 24 0 0 - 3 26 12 3 58 50.4 41 130 -56 - 3 57 34 - 2 54 57 - 4 17 42 - 2 34 59 0.22 - 23 0 0 - 4 40 21 3 59 2.0 43 129 -55 - 5 11 54 - 4 8 54 - 5 32 9 - 3 48 48 0.22 - 22 0 0 - 5 55 6 3 59 13.9 44 129 -54 - 6 26 49 - 5 23 28 - 6 47 12 - 5 3 16 0.22 - 21 0 0 - 7 10 22 3 59 26.3 46 128 -52 - 7 42 15 - 6 38 34 - 8 2 44 - 6 18 16 0.22 - 20 0 0 - 8 26 3 3 59 39.0 47 128 -51 - 8 58 5 - 7 54 7 - 9 18 40 - 7 33 42 0.22 - 19 0 0 - 9 42 2 3 59 52.1 49 127 -50 -10 14 13 - 9 9 58 -10 34 53 - 8 49 29 0.22 - 18 0 0 -10 58 15 4 0 5.5 51 127 -49 -11 30 32 -10 26 4 -11 51 16 -10 5 30 0.22 - 17 0 0 -12 14 33 4 0 19.3 52 126 -48 -12 46 56 -11 42 16 -13 7 44 -11 21 38 0.22 - 16 0 0 -13 30 50 4 0 33.3 54 125 -46 -14 3 17 -12 58 29 -14 24 8 -12 37 48 0.22 - 15 0 0 -14 47 0 4 0 47.5 55 124 -45 -15 19 31 -14 14 35 -15 40 24 -13 53 52 0.22 - 14 0 0 -16 2 55 4 1 2.0 57 123 -44 -16 35 28 -15 30 28 -16 56 22 -15 9 44 0.22 - 13 0 0 -17 18 29 4 1 16.6 58 122 -43 -17 51 3 -16 46 1 -18 11 58 -16 25 16 0.22 - 12 0 0 -18 33 36 4 1 31.5 60 121 -41 -19 6 9 -18 1 8 -19 27 4 -17 40 23 0.21 - 11 0 0 -19 48 8 4 1 46.4 61 120 -40 -20 20 40 -19 15 42 -20 41 34 -18 54 58 0.21 - 10 0 0 -21 2 0 4 2 1.4 63 118 -39 -21 34 30 -20 29 36 -21 55 22 -20 8 54 0.21 - 9 0 0 -22 15 6 4 2 16.5 64 117 -37 -22 47 31 -21 42 46 -23 8 21 -21 22 6 0.21 - 8 0 0 -23 27 20 4 2 31.5 66 115 -36 -23 59 40 -22 55 5 -24 20 26 -22 34 28 0.21 - 7 0 0 -24 38 36 4 2 46.6 67 113 -35 -25 10 50 -24 6 27 -25 31 32 -23 45 55 0.21 - 6 0 0 -25 48 50 4 3 1.7 68 110 -34 -26 20 57 -25 16 49 -26 41 34 -24 56 21 0.21 - 5 0 0 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39.5 16 239 35 -53 3 14 -52 15 34 -53 18 32 -52 0 20 0.23 121 0 0 -52 13 53 4 15 41.6 15 238 35 -52 37 56 -51 49 53 -52 53 22 -51 34 31 0.23 122 0 0 -51 47 32 4 15 43.8 14 237 36 -52 11 46 -51 23 20 -52 27 19 -51 7 51 0.23 123 0 0 -51 20 17 4 15 45.8 14 237 36 -51 44 43 -50 55 53 -52 0 24 -50 40 16 0.23 124 0 0 -50 52 7 4 15 47.7 13 236 37 -51 16 45 -50 27 31 -51 32 34 -50 11 47 0.23 125 0 0 -50 23 1 4 15 49.6 12 235 37 -50 47 52 -49 58 13 -51 3 48 -49 42 21 0.23 126 0 0 -49 52 58 4 15 51.4 11 234 37 -50 18 1 -49 27 57 -50 34 6 -49 11 57 0.24 127 0 0 -49 21 56 4 15 53.1 10 234 38 -49 47 12 -48 56 43 -50 3 25 -48 40 35 0.24 128 0 0 -48 49 55 4 15 54.7 10 233 38 -49 15 24 -48 24 29 -49 31 45 -48 8 13 0.24 129 0 0 -48 16 52 4 15 56.2 9 232 38 -48 42 34 -47 51 13 -48 59 3 -47 34 49 0.25 130 0 0 -47 42 47 4 15 57.6 8 231 39 -48 8 42 -47 16 55 -48 25 20 -47 0 23 0.25 131 0 0 -47 7 39 4 15 58.8 7 231 39 -47 33 47 -46 41 33 -47 50 33 -46 24 53 0.26 132 0 0 -46 31 25 4 15 59.9 6 230 40 -46 57 47 -46 5 7 -47 14 41 -45 48 18 0.26 133 0 0 -45 54 6 4 16 0.9 5 229 40 -46 20 40 -45 27 34 -46 37 44 -45 10 37 0.27 134 0 0 -45 15 39 4 16 1.8 4 228 40 -45 42 27 -44 48 55 -45 59 39 -44 31 49 0.29 135 0 0 -44 36 5 4 16 2.4 3 228 41 -45 3 6 -44 9 7 -45 20 27 -43 51 52 0.31 136 0 0 -43 55 21 4 16 2.9 2 227 41 -44 22 36 -43 28 10 -44 40 5 -43 10 47 0.35 137 0 0 -43 13 28 4 16 3.3 1 226 41 -43 40 56 -42 46 4 -43 58 33 -42 28 32 0.48 138 0 0 -42 30 24 4 16 3.4 0 226 41 -42 58 5 .. .. .. -43 15 51 .. .. .. 4.22 Uncertainty in time = +/- 4 secs Prediction of 2023 Jul 14.3 Data for the target star ------------------------ * name: TYC 7375-00572-1 * constellation : Scorpius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 17 29 15.8738 DE: -31 14 30.961 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 17 29 15.8739 DE: -31 14 30.961 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.9 * B mag [mag]: 12.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (859) Bouzareah asteroid class: approx. diameter [km]: 71 approx. diameter ["]: 0.030 distance from Earth [AU]: 3.22930 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#99 date of fit: 2023 Apr 24 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.020", 0.003", 102.9° remarks: * orbital elements for (859)Bouzareah : Mean anomaly = 192.8157955255 deg Arg. of pericenter = 22.1364365103 deg Long. of node = 35.6628616257 deg Inclination = 13.5023066505 deg Eccentricity = 0.1102649816 Semimajor axis = 3.2265237231 AU Perihelion dist = 2.8707511440 AU Mag: H = 9.75, G = 0.15 Epoch of elements : MJD 60395.17096346 TDT (2024 Mar 26.1710) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#992023Apr24,6.75,2024,3,26,4.103131,-0.126376,-0.146952,4.516215,-3.882751,-0.005742,0.000467,0.000000,0.000000 17.0605,-31.2613,119.86,2.38,False TYC 7375-00572-1,17.48774271,-31.2419336,12.05,11.89,11.80,0.0,0,,17.51382128,-31.2613145,4.06,3.71,0,0,0 859,Bouzareah,15.92,71.239,3.2293,0,0,0.959,-10.57,,4.0,0 0,192.7867,2024,3,26,22.1364,35.6629,13.5023,0.11026,3.22652,2.87075,9.75,5.0,0.15 1.320,0.0200,0.0032,103,0.0097,Known errors,0.78,0,-1,-1 20240326_0572-1,60139.26 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 14, 06:09 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org